8540061278 has 16 divisors (see below), whose sum is σ = 14641292160. Its totient is φ = 3659729496.

The previous prime is 8540061241. The next prime is 8540061289. The reversal of 8540061278 is 8721600458.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315425 + ... + 341427.

It is an arithmetic number, because the mean of its divisors is an integer number (915080760).

Almost surely, 2^8540061278 is an apocalyptic number.

8540061278 is a deficient number, since it is larger than the sum of its proper divisors (6101230882).

8540061278 is a wasteful number, since it uses less digits than its factorization.

8540061278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49471.

The product of its (nonzero) digits is 107520, while the sum is 41.

The square root of 8540061278 is about 92412.4519640075. The cubic root of 8540061278 is about 2044.0287294124.

The spelling of 8540061278 in words is "eight billion, five hundred forty million, sixty-one thousand, two hundred seventy-eight".